| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 3<\/td>\n | Contents 1 Scope 1 2 Terms and definitions 2 3 Overview of BS EN 12271 2 4 Requirements of BS EN 12271 4 5 Factory production control 9 6 Type approval installation trial (TAIT) 12 Annexes Annex A Example specifications 13 Bibliography 14 List of tables Table 1 – Binder standards 3 Table 2 – Traditional binder class names 5 Table 3 – Traffic categories 6 Table 4 – Categories of binder and chipping application 7 Table 5 – Categories for defects determined by visual assessment 8 Table 6 – Recommended minimum macrotexture levels 8 Table 7 – Frequencies of test for binder and chipping application 11 Table 8 – Example of a family of TAITs 12 Table A.1 – Example specifications 13 <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Introduction 1 Scope <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | 2 Terms and definitions 2.1 purchaser 2.2 specifier 2.3 producer 2.4 supplier 2.5 road type (UK) road grade (EN 12271) 3 Overview of BS EN 12271 <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | a) visual assessment at the end of the guarantee period each with different performance categories; b) macrotexture; c) tolerance on rates of spread of binders and chippings; d) accuracy of rates of spread of binders and chippings (a measure of evenness). 1) binder cohesion by Vialit pendulum (see also 4.1.1 and Table 2); 2) limit on permitted type of surface dressing (see also 4.2.2). Table 1 Binder standards <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 4 Requirements of BS EN 12271 4.1 Constituent materials 4.1.1 Binders <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | Table 2 Traditional binder class names 4.1.2 Chippings <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 4.2 Recommended performance categories 4.2.1 General Table 3 Traffic categories 4.2.2 Surface dressing type <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 4.2.3 Tolerance on rate of application of binder and chippings 4.2.4 Evenness of rate of spread of binder and chippings Table 4 Categories of binder and chipping application 4.2.5 Defects as determined by visual inspection <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Table 5 Categories for defects determined by visual assessment 4.2.6 Macrotexture Table 6 Recommended minimum macrotexture levels <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4.2.7 Characterizing noise generation 4.2.8 Binder-aggregate adhesivity 5 Factory production control 5.1 General <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 5.2 Design process 5.3 Process control <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Table 7 Frequencies of test for binder and chipping application 5.4 Monitoring and measurement of the product <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6 Type approval installation trial (TAIT) Table 8 Example of a family of TAITs <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Annex A Example specifications 1) a major motorway with 4 000 commercial vehicles per day 70 mph (type S); 2) a rural single carriageway with 400 commercial vehicles per day 60 mph (type 3); 3) a rural very minor road with very little traffic 60 mph [type 4 (rural)]; 4) an urban, residential cul-de-sac 30 mph [type 4 (urban)]. Table A.1 Example specifications <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Surface dressing. Guidance on the use of BS EN 12271<\/b><\/p>\n |